Chronic Kidney Disease (CKD) With Diabetes Mellitus (DM)

The goal of this clinical trial is to develop and evaluate a novel diabetes ketoacidosis risk mitigation strategy to support the safe use of sodium-glucose cotransporter-2 inhibitors (SGLT2i) therapy in participants with type 1 diabetes (T1D) and mild to moderate chronic kidney disease (CKD). The main objectives of this study are to: 1. Evaluate how ketone metrics differ between participants with mild to moderate chronic kidney disease and those with normal renal function in three time periods. 2. Identify potentially modifiable ketosis risk factors. 3. Use continuous glucose monitoring (CGM) and continuous ketone monitoring (CKM) data prior to and following treatment to determine ketosis risk factors and gain knowledge to further refine reporting of risk factors. 4. Gather information on how participants and clinicians like and use the CGM/CKM reports. Participants will be asked to: * Meet with study investigators to determine if they are eligible * Sign written informed consent * Take a pregnancy test, if applicable * Have blood taken to assess kidney function and hemoglobin A1c * Take the study medication, following the study team instructions * Wear the study provided sensor throughout participation. * Complete 5 in person visits, and 11 phone check ins over a nine-month period * Provide feedback on the usefulness of CGM/CKM reports